IChO Timeline
# Place Time
56 Riyadh, Saudi Arabia 2024, July 21-July 30
55 Zürich, Switzerland 2023, July 16-July 25
54 Tianjin, China, People's Republic of 2022, July 10-July 17
53 Osaka, Japan 2021, July 24-August 2
52 Istanbul, Türkiye 2020, July 23-July 30
51 Paris, France 2019, July 21-July 30
50 Prague & Bratislava, Czech Republic & Slovakia 2018, July 19-July 29
49 Nakhon Pathom, Thailand 2017, July 6-July 15
48 Tbilisi, Georgia 2016, July 23-August 1
47 Baku, Azerbaijan 2015, July 20-July 29
46 Hanoi, Vietnam 2014, July 21-July 29
45 Moscow, Russian Federation 2013, July 15-July 24
44 Washington, DC, USA 2012, July 21-July 30
43 Ankara, Türkiye 2011, July 9-July 18
42 Tokyo, Japan 2010, July 19-July 28
41 Cambridge, United Kingdom 2009, July 18-July 27
40 Budapest, Hungary 2008, July 12-July 21
39 Moscow, Russian Federation 2007, July 15-July 24
38 Gyeongsan, Korea, Republic of 2006, July 1-July 11
37 Taipei, Chinese Taipei 2005, July 16-July 25
36 Kiel, Germany 2004, July 18-July 27
35 Athens, Greece 2003, July 5-July 14
34 Groningen, Netherlands 2002, July 5-July 14
33 Mumbai, India 2001, July 6-July 15
32 Copenhagen, Denmark 2000, July 2-July 11
31 Bangkok, Thailand 1999, July 4-July 11
30 Melbourne, Australia 1998, July 5-July 14
29 Montreal, Canada 1997, July 13-July 22
28 Moscow, Russian Federation 1996, July 14-July 23
27 Beijing, China, People's Republic of 1995, July 13-July 20
26 Oslo, Norway 1994, July 3-July 11
25 Perugia, Italy 1993, July 11-July 22
24 Pittsburgh and Washington; D.C., USA 1992, July 11-July 22
23 Łódź, Poland 1991, July 7-July 15
22 Paris, France 1990, July 8-July 17
21 Halle, German Democratic Republic 1989, July 2-July 10
20 Espoo, Finland 1988, July 2-July 9
19 Veszprém, Hungary 1987, July 6-July 15
18 Leiden, Netherlands 1986, July 6-July 15
17 Bratislava, Czechoslovakia 1985, July 1-July 8
16 Frankfurt, Germany, Federal Republic of 1984, July 1-July 10
15 Timişoara, Romania 1983, July 2-July 11
14 Stockholm, Sweden 1982, July 3-July 12
13 Burgas, Bulgaria 1981, July 13-July 23
12 Linz, Austria 1980, July 13-July 23
11 Leningrad, Soviet Union 1979, July 2-July 11
10 Toruń, Poland 1978, July 3-July 13
9 Bratislava, Czechoslovakia 1977, July 4-July 14
8 Halle, German Democratic Republic 1976, July 10-July 19
7 Veszprém, Hungary 1975, July 1-July 10
6 Bucharest, Romania 1974, July 1-July 10
5 Sofia, Bulgaria 1973, July 1-July 10
4 Moscow, Soviet Union 1972, July 1-July 10
3 Budapest, Hungary 1970, July 1-July 5
2 Katowice, Poland 1969, June 16-June 20
1 Prague, Czechoslovakia 1968, June 18-June 21
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